new to tractors and added ant-gelling but it started to gell it got -30 so i added more but still runs then stops i plain on dumping fuel and starting again i did also use 911 and it did help but then did the same thing again. iam thinking bad fuel, is there another filter besides the air breather filter one because i cant see one. plus i did bleed the fuel filter buy air breather screw . is that the way to get air out of it? thanks for any info, trying to get it fix before tonight its going to get colder! lm43 should be the same as 433